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Details

Horsepower:

405 horsepower

Torque:

440 ft./lbs.

Engine Displacement:

383 cu. in.

Crate Engine Type:

Long Block

Compression Ratio:

9.5:1

Camshaft Type:

Hydraulic Flat Tappet

Cylinder Head Material:

Cast Iron

Piston Material:

Hypereutectic Aluminum

Crankshaft Material:

Cast Steel

Camshaft Duration (@.050 in):

234° intake / 244° exhaust

Carburetor Included:

Yes

Intake Manifold Included:

Yes

Distributor Included:

Yes

MFG. Part #:

BP3830CTC1

Warranty:

30 month / 50,000 miles

Valve Covers Included:

Yes

Assembled:

Yes

Cylinder Heads Included:

Yes

Water Pump Included:

Yes

Harmonic Balancer Included:

Yes

Spark Plugs Included:

Yes

Spark Plug Wires Included:

Yes

Camshaft Included:

Yes

Camshaft Lift (in):

.487 intake / .503 exhaust

Bore x Stroke (in):

4.000" bored .040" over x 3.750"

Block:

Hand picked, seasoned, square and parallel decked, 4 bolt main

Info

True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

GM 383 Dressed Engine - Cast Iron Vortec Heads - Flat Tappet Cam

Overview

HP & Torque: 405 HP / 440 FT LBS

Compression Ratio: 9.5:1

Cast Iron Heads

Flat Tappet Cam

Cast Steel Crank

Part #: BP3830CTC1

Block

4 bolt main 1pc rear seal block w/Passenger side dipstick only

Square and parallel decked

Align honed main bearing bore

Cylinders honed on computer controlled machine to within .0002 straightness and roundness

Cylinders are sonic tested for thickness

Rotating Assembly

New cast steel crankshaft

Chevy heavy beam rods

Hypereutetic pistons

Hastings Moly rings

Balanced rotating assembly

Melling high volume oil pump

Flat tappet hydraulic lifter camshaft

Heavy duty double roller timing set

Cylinder Heads

Vortec cast iron cylinder heads

1.25 diameter valve springs

Hardened retainers and springs

2.02 swirl polished intake valves

1.60 swirl polished exhaust valves

1.5 long slot, stamped steel rockers

Hardened push rods

Cam Specs

Cam Type: Flat Tappet

.487 Intake .503 Exhaust

234 Intake / 244 Exhaust duration

@ .050 - 112 degree lobe separation

Ignition Timing

34 Degrees Total at 3500 RPM

Also Includes

Aluminum intake manifold

750 cfm carburetor

HEI Distributor

Harmonic balancer

Fuel pump

Water pump

BluePrint plug wires

Spark plugs

Chrome steel valve covers

Brass freeze plugs

Dyno test results shipped with engine

Warranty

30 month / 50,000 mile

Notes

This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel.BluePrint Engines recommends a 2000- 2400 rpm stall converter. Not for use in pollution controlled vehicles.

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